From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 25 Oct 2011 06:07:59 +0000 (-0300)
Subject: [media] media: vb2: reset queued list on REQBUFS(0) call
X-Git-Tag: firefly_0821_release~3680^2~3893^2~38
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd50d999d4d4f311fda9b777d1e567433cc0f142;p=firefly-linux-kernel-4.4.55.git

[media] media: vb2: reset queued list on REQBUFS(0) call

Queued list was not reset on REQBUFS(0) call. This caused to enqueue a
freed buffer to the driver.

Reported-by: Angela Wan <angela.j.wan@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index e7c52ff3c761..95a3f5e82aef 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -265,6 +265,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
 	q->num_buffers -= buffers;
 	if (!q->num_buffers)
 		q->memory = 0;
+	INIT_LIST_HEAD(&q->queued_list);
 }
 
 /**